Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3229427A | Apparatus for performing a drilling operation on a workpiece | Diagrit Electrometallics Ltd | Expired / Lapsed | 1963-07-29 | 1966-01-18 | 1983-07-29 | 0.0 yrs | 1 | |
| US3154894A | Tool for dressing the surface of a conical hole | Diagrit Electrometallics Ltd | Expired / Lapsed | 1961-01-24 | 1964-11-03 | 1981-01-24 | 0.0 yrs | 2 |